once
بِسْمِ اللَّهِ وَلَجْنَا، وَبِسْمِ اللَّهِ خَرَجْنَا، وَعَلَى رَبِّنَا تَوَكَّلْنَا
Edition transliteration
Bismil-lahi walajna, wabismil-lahi kharajna, waAAala rabbina tawakkalna.
Meaning
In the name of Allah we enter and in the name of Allah we leave, and upon our Lord we place our trust. Then one should greet one's family with salam.
Source and references
Abu Dawud 5096; related wording: Muslim 2018.The reference is copied from the edition; separate editorial verification is not complete yet.
Source edition: Fortress of the Muslim. Open source ↗